70009 Parallax Inc, 70009 Datasheet - Page 26
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70009
Manufacturer Part Number
70009
Description
BOOK UNDERSTANDING SIGNALS
Manufacturer
Parallax Inc
Type
Signal Analysisr
Datasheet
1.70009.pdf
(137 pages)
Specifications of 70009
Style
Book
Title
Understanding Signals
Contents
Guide to Generate, View and Measure Wave Forms
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Not applicable / Not applicable
Other names
70009PAR
Available stocks
Company
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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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ACTIVITY #2: USING THE HORIZONTAL DIAL AND EDGE TRIGGERING
This activity will demonstrate how to use the OPTAscope’s Horizontal dial to display
different periods of a signal, and how to trigger on a rising or falling edge of a signal. The
parts required and electronic circuit is the same as in the prior Activity.
Configuring the OPTAscope Software
Toggling High and Low with the ToggleIO.bs2 Program
' Understanding Signals - TOGGLEIO.bs2
' Toggle P14 to demonstrate time period measurements
' {$STAMP BS2}
' {$PBASIC 2.5}
DO
LOOP
TOGGLE 14
PAUSE 10
√
√
Set up the OPTAscope to display the signal as shown in Figure 1-18 .
Program the BASIC Stamp with the program ToggleIO.bs2.
CH1
CH2
Horizontal Dial
Trigger Source
Trigger Edge
Trigger Mode
Run / Stop Mode
Trigger Voltage
2 V / division
Off
5 ms / division
Channel 1
Rising
Auto
Continuous
2 V
Figure 1-18:
Configuration for
OPTAscope to
trigger a signal from
ToggleIO.bs2
program